garyli1019 commented on a change in pull request #2722:
URL: https://github.com/apache/hudi/pull/2722#discussion_r611048584
##########
File path:
hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/utils/HoodieRealtimeInputFormatUtils.java
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@@ -218,6 +218,13 @@ public static void
addRequiredProjectionFields(Configuration configuration) {
addProjectionField(configuration,
HoodieRecord.PARTITION_PATH_METADATA_FIELD,
HoodieInputFormatUtils.HOODIE_PARTITION_PATH_COL_POS);
}
+ public static boolean requiredProjectionFieldsExistInConf(Configuration
configuration) {
+ String readColNames =
configuration.get(ColumnProjectionUtils.READ_COLUMN_NAMES_CONF_STR, "");
+ return readColNames.contains(HoodieRecord.RECORD_KEY_METADATA_FIELD)
+ && readColNames.contains(HoodieRecord.COMMIT_TIME_METADATA_FIELD)
+ && readColNames.contains(HoodieRecord.PARTITION_PATH_METADATA_FIELD);
Review comment:
Why these three fields should be treated differently?
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